class_docstr: Base tokenizer class.
      
class_docstr_tok: ["Base","tokenizer","class","."]
code: def tokenize(self, text):
      raise NotImplementedError
  
file_path: PaddleHub/modules/text/language_model/lda_news/tokenizer.py
label_desc: Use image node_id 2 for calling the Tokenizer obj's underlying member method code with example usage: obj.tokenize(text) without return types